Solaris & Linux System Administrator

Columbia Technology Partners•Annapolis Junction, MD

About The Position

Columbia Technology Partners is seeking a hands-on System Administrator to support and maintain mission-critical enterprise infrastructure environments. The role focuses on Solaris and Linux administration, enterprise storage, backup and recovery operations, and cybersecurity compliance. The administrator will help ensure the reliability, security, and performance of large-scale production systems supporting critical customer missions. The position includes administering Solaris and Linux systems, supporting IBM Enterprise Storage, managing Veritas NetBackup, and performing patching and package management with YUM. It also involves vulnerability scanning and remediation, secure configuration, system monitoring and troubleshooting, performance improvements, collaboration on infrastructure upgrades and incident response, and maintenance of technical documentation and compliance artifacts. The role supports system hardening, audit readiness, and security compliance initiatives. Applicants must be U.S. citizens and hold an active Security Clearance with an appropriate polygraph. Employment is contingent on a security background investigation and polygraph, and applicants and employees are subject to random drug testing. An active CompTIA Security+ certification and DOD 8570 certification are required.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
At least 3 years of Solaris System Administration experience.
At least 3 years of Linux System Administration experience with RHEL, CentOS, OLVM, or similar.
Active CompTIA Security+ certification.
Experience supporting IBM Enterprise Storage, Veritas NetBackup, Nessus vulnerability management, and Linux package management using YUM.
Strong understanding of Linux security, system hardening, compliance practices, troubleshooting, and scripting with Bash, Python, or similar languages.
U.S. citizenship.
Active Security Clearance with appropriate Polygraph.
DOD 8570 certification.
Successful completion of a security background investigation and polygraph.
Applicants and employees are subject to random drug testing in accordance with Executive Order 12564.

Nice To Haves

Red Hat Certified System Administrator (RHCSA) or a comparable Linux administration certification.
Experience supporting highly available enterprise environments with disaster recovery requirements.
Familiarity with infrastructure automation tools such as Ansible, Puppet, or similar technologies.
Exposure to cloud or hybrid infrastructure environments and modern systems management practices.

Responsibilities

Administer, maintain, and optimize Solaris and Linux systems in enterprise production environments.
Support and manage IBM Enterprise Storage platforms to ensure system availability and performance.
Configure, monitor, and troubleshoot Veritas NetBackup solutions for backup and recovery operations.
Perform system patching and package management using YUM repositories and established maintenance processes.
Conduct vulnerability scanning and remediation activities using Nessus and related security tools.
Implement and maintain secure system configurations in accordance with organizational security requirements.
Monitor system health, troubleshoot technical issues, and implement performance improvements.
Collaborate with engineering, cybersecurity, and operations teams on infrastructure upgrades and incident response.
Maintain technical documentation, standard operating procedures, and compliance artifacts.
Support system hardening, audit readiness, and security compliance initiatives.

Benefits

Competitive compensation.
Three medical plans with in-network and out-of-network options.
Vision and dental coverage paid in full by CTP.
401(k) with a 6% company contribution.
Paid time off and customizable leave plans.
Jury duty, bereavement, and military leave.
Up to $10,000 for approved career-related learning, training, education, and/or tuition.
Life and AD&D insurance.
Short-term and long-term disability coverage at no cost to employees.
End-of-year profit-sharing bonus.
Referral bonuses ranging from $7,000 to $20,000, depending on the referral's hiring progress.